TCVN 1270 Paper and board.Determination of grammage
TCVN 3649 Paper and board.Sampling to determine average quality
TCVN 6725 Paper, board and pulps.Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
TCVN 3229-2015 history
2015TCVN 3229-2015 Paper - Determination of tearing resistance - Elmendorf method
2007TCVN 3229-2007 Paper.Determination of tearing resistance (Elmendorf method)